Kenneth Morrison, or Ken for short, also know by his online pseudonym CinnamonToastKen, is an American YouTuber, best known for his let's plays. He often plays with Jacksepticeye, PewDiePie and Markiplier.

Ken is mostly known through PewDiePie and used to appear often in his gaming videos (before Felix completely changed). He is married to a women called Mary, who has a beauty YouTube channel "SuperMaryFace". They had a child born in May 2017, a daughter named Layla.

Ken appeared with Felix in a weekly Podcast called "BroKen" featuring occasional surprise guests (two of which were Jack and Mark). Although the Podcast has since been discontinued, it is available to watch on YouTube or listen to on SoundCloud.com. He also collaborated with Jack, Mark and Felix on several occasions.